remcos | remcos_a[.]exe

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General

Target

remcos_a.exe
Size

422KB
MD5

775e50682928bd58d8558b850f1cfecf
SHA1

aaca5e498851b58af8bc30683b3907de7e48f75f
SHA256

b39ac5276942e3edfa0e5d8b0691aeb7317c7242670340a786467f569cdc550b
SHA512

4f37ee2d56b5c13ad397cff2207cfcec4c82d6004c35e3a8ffa077127a6b30ab9387cae8f8da26427f6ac23179e58f62da180d8f7e6c4438dbc8c0a9efe2c083
SSDEEP

6144:ieghbOV4Asvo/Z+wo6TmTIHnqgKIuTi5gTaWnLLDt1dbWAOaKapXFWbcFhU:ieKbOV4A3ho9IKNti5gT/wUzzWYU

Score

10^/10

remcos

Malware Config

Signatures

Remcos family
remcos

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
remcos_a.exe

Files

remcos_a.exe
.exe windows:5 windows x86

d5baaf7db716df76241a88766114f3b8

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

VirtualFree
VirtualAlloc
LoadLibraryA
GetNativeSystemInfo
HeapAlloc
GetProcAddress
GetProcessHeap
FreeLibrary
IsBadReadPtr
GetCurrentProcess
GetSystemDirectoryA
GlobalAlloc
GlobalLock
GetCurrentProcessId
GetTickCount
GlobalUnlock
LocalAlloc
GetModuleHandleA
GlobalFree
MulDiv
SizeofResource
RemoveDirectoryW
FindResourceA
OpenProcess
LockResource
LoadResource
LocalFree
GetFileSize
FormatMessageA
AllocConsole
GetModuleFileNameA
lstrcpynA
QueryPerformanceFrequency
QueryPerformanceCounter
SetLastError
GetLastError
InitializeCriticalSection
DeleteCriticalSection
HeapSize
WriteConsoleW
SetStdHandle
SetEnvironmentVariableW
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetOEMCP
IsValidCodePage
FindFirstFileExA
ReadConsoleW
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetConsoleMode
GetConsoleCP
FlushFileBuffers
GetFileType
HeapReAlloc
GetACP
GetStdHandle
GetModuleHandleExW
MoveFileExW
RtlUnwind
VirtualProtect
Process32FirstW
Process32NextW
CreateToolhelp32Snapshot
GetLocaleInfoA
CreateMutexA
ExitProcess
SetFileAttributesW
GetModuleFileNameW
EnterCriticalSection
GetLongPathNameW
ExpandEnvironmentStringsA
FindNextFileA
FindFirstFileA
MoveFileW
SetFilePointerEx
GetLogicalDriveStringsA
DeleteFileW
WaitForSingleObject
DeleteFileA
GetFileAttributesW
CreateFileW
FindClose
lstrlenA
GetDriveTypeA
FindNextFileW
GetFileSizeEx
FindFirstFileW
CreateDirectoryW
CreateProcessA
Sleep
PeekNamedPipe
CreatePipe
TerminateProcess
WriteFile
ReadFile
HeapFree
HeapCreate
CreateEventA
GetLocalTime
CreateThread
CloseHandle
SetEvent
CreateEventW
LeaveCriticalSection
RaiseException
LoadLibraryExW
GetCPInfo
GetStringTypeW
GetLocaleInfoW
LCMapStringW
CompareStringW
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
MultiByteToWideChar
DecodePointer
EncodePointer
WideCharToMultiByte
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetStartupInfoW
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsDebuggerPresent
IsProcessorFeaturePresent
GetModuleHandleW
WaitForSingleObjectEx
ResetEvent
SetEndOfFile

user32

GetClipboardData
TranslateMessage
DispatchMessageA
GetMessageA
GetWindowTextW
SetForegroundWindow
SetClipboardData
MessageBoxW
IsWindowVisible
CloseWindow
GetWindowThreadProcessId
SendInput
EnumDisplaySettingsW
mouse_event
DrawIcon
GetSystemMetrics
GetIconInfo
SystemParametersInfoW
GetForegroundWindow
GetCursorPos
RegisterClassExA
AppendMenuA
CreateWindowExA
DefWindowProcA
TrackPopupMenu
CreatePopupMenu
ShowWindow
OpenClipboard
CloseClipboard
SetWindowTextW
EnumWindows
ExitWindowsEx
EmptyClipboard

gdi32

CreateCompatibleBitmap
SelectObject
CreateCompatibleDC
StretchBlt
GetDIBits
DeleteDC
DeleteObject
CreateDCA
GetObjectA

advapi32

RegSetValueExA
CryptAcquireContextA
CryptGenRandom
CryptReleaseContext
GetUserNameW
RegEnumKeyExA
QueryServiceStatus
CloseServiceHandle
OpenSCManagerW
OpenSCManagerA
ControlService
StartServiceW
QueryServiceConfigW
ChangeServiceConfigW
OpenServiceW
EnumServicesStatusW
AdjustTokenPrivileges
LookupPrivilegeValueA
OpenProcessToken
RegCreateKeyA
RegCloseKey
RegQueryInfoKeyW
RegQueryValueExA
RegCreateKeyExW
RegEnumKeyExW
RegSetValueExW
RegOpenKeyExA
RegOpenKeyExW
RegCreateKeyW
RegDeleteValueW
RegEnumValueW
RegQueryValueExW
RegDeleteKeyA

shell32

ShellExecuteExA
Shell_NotifyIconA
ExtractIconA
ShellExecuteW

shlwapi

StrToIntA
PathFileExistsA
PathFileExistsW

winmm

PlaySoundW
mciSendStringA
mciSendStringW

ws2_32

socket
send
WSAStartup
closesocket
connect
htonl
getservbyname
inet_ntoa
ntohs
getservbyport
gethostbyaddr
inet_addr
recv
WSAGetLastError
gethostbyname
WSASetLastError
htons

urlmon

URLOpenBlockingStreamW
URLDownloadToFileW

gdiplus

GdipDisposeImage
GdipAlloc
GdipLoadImageFromStream
GdipSaveImageToStream
GdipGetImageEncodersSize
GdipFree
GdiplusStartup
GdipGetImageEncoders
GdipCloneImage

wininet

InternetReadFile
InternetOpenW
InternetCloseHandle
InternetOpenUrlW

Sections

.text
Size: 296KB - Virtual size: 296KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 89KB - Virtual size: 88KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.gfids
Size: 1024B - Virtual size: 560B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 18KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 12KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d5baaf7db716df76241a88766114f3b8

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

advapi32

shell32

shlwapi

winmm

ws2_32

urlmon

gdiplus

wininet

Sections

.text Size: 296KB - Virtual size: 296KB

.rdata Size: 89KB - Virtual size: 88KB

.data Size: 3KB - Virtual size: 21KB

.tls Size: 512B - Virtual size: 9B

.gfids Size: 1024B - Virtual size: 560B

.rsrc Size: 18KB - Virtual size: 18KB

.reloc Size: 12KB - Virtual size: 12KB

.text
Size: 296KB - Virtual size: 296KB

.rdata
Size: 89KB - Virtual size: 88KB

.data
Size: 3KB - Virtual size: 21KB

.tls
Size: 512B - Virtual size: 9B

.gfids
Size: 1024B - Virtual size: 560B

.rsrc
Size: 18KB - Virtual size: 18KB

.reloc
Size: 12KB - Virtual size: 12KB